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Finding the Fourth Proportional to 346,152.51, 477,690.21 and 195,249.51

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Solution

The fourth proportional to 346,152.51, 477,690.21 and 195,249.51 is: 269,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,152.51 : 477,690.21 = 195,249.51 : x
  2. Step 2: Convert to fraction form
    346,152.51/477,690.21 = 195,249.51/x
  3. Step 3: Cross multiply
    346,152.51x = 477,690.21 × 195,249.51
  4. Step 4: Simplify right side
    346,152.51x = 93,268,779,434.30
  5. Step 5: Solve for x
    x = 93,268,779,434.30/346,152.51
  6. Step 6: Final answer
    x = 269,444.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.